void strmcpy( char *t, int m, char *s ){
    char *p=t;
    int size=0,i=0;
    while(*p!='\0'){
        size++;
        p++;
    }
    if(size<m)*s='\0';
    else{
        while(*(t+m+i-1)!='\0'){
            *(s+i)=*(t+m+i-1);
            i++;
        }
        *(s+i)='\0';
    }   
}
